Data converter and punch card transducer for digital computers



March 22, 1960 J. K. HAWKINS ET AL 2,929,556

DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL COMPUTERS Filed May 26, 1955 47 Sheets-Sheet 1 INVENTORS g/EliP/l K. flame/w BY 20:54! E. uimasau J. K. HAWKINS ET AL March 22, 1960 2,929,556 DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL COMPUTERS 47 Sheets-Sheet 2 Filed May 26, 1955 6 4 M a M a 6 x3 W M v 1. 2 :5 32 3.6 3: I C l N 1 n 6 man m N" H T] $323 I U W Jczu3 a?! w I .r 1 N 5.3 u .5 m 135 WW dc A JEEeE: Ea m nug k 5 c W II It uuhainu 2. 4.5 O U. i mfiadkzou D. l N E m 3 .53 5 525 "m 333 2433.... A 5 ES u" H U k c fiwfiofiznu p I'll hdwndo III m MU.- W M G 2 Q3353: w C 1! 29 52 32. 0 T I 5 L N M2192 l a: 4:20; o a T 2 C 158 m .55. ME Y 3. D o l v: .6 8 523 m v 3 I! s 8 22 20 A E dam 945:. Q 323 2: 3 352m (.5 1

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March 22, 1960 J K. HAWKINS ETAL 2,929,556

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DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL COMPUTERS Filed May 26, 1955 47 Sheets-Sheet 5 cnmp 260 63 cLAMPeo mlu'r Y OUTPUT 258 258 I N V EN TORS .bsuw K. flame/Ms B Y 906097 Jam 50m WWxM March 22, 1960 J. K. HAWKINS ETAL 2,929,556 DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL COMPUTERS Filed May 26. 1955 47 Sheets-Sheet 6 J- WOZD NUMBEI RIFEIENC! paJ/r/av DRUM 16 we .srous: 2077mm I II I III Mum/u 007F117 N UMIL l/VPU? DUM w .1 Wm: 4100405 BOTATI'QN 2 Wm Ara/mu as: i/vczPas/r/av I N V EN TOR 5 fljzpn K HAM nus a w M /4 Trap/vac March 22, 1960 J. K. HAWKINS ETAL 2,929,556

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DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL COMPUTERS Filed May 26, 1955 47 Sheets-Sheet l0 r a our cawmu m1- lmaav ourpu To 1: M limum:

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DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL comm-mas Filed May 26, 1955 47 Sheets-Sheet 12 4 g; b 3 w 3 i 2 Q2 "1 "3' g Q Q g Q w IN V EV TORJ Joszm A. Mwxms E I? r A". 40:30 g B 0:; er

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DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL. COMPUTERS Flled May 26, 1955 47 Sheets-Sheet l3 ONE W030 J2 W050 CflMPl/flfi TIM/N6 CHANNEL F FIIUIMFE Illllllllllllllllllll I1 I comm. Puua (rmwumms r /r 'r4/f4j rzyrn'j 4M 4 won ,wmn Z? mu IMQIV l/T Pubs: #041 mu: Fauna mm m- (s/aum F/F') F/Fm may BIT I I 5 M5 02 M u: IN V EN TORS .faszm A. Alan rm: By 190052; A. -.[ICA.S'0A/ March 22, 1960 J. K. HAWKINS ETAL 2,929,556

DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL COMPUTERS Filed May 26, 1955 47 Sheets-Sheet 14 U2 111; mn- Emil shun -10!) mu (ma) non tnamm/vr Mun l i czurcll Arranvna March 22, 1960 J K HAWKINS EIAL 2 929 5 DATA CONVERTER AND PUNCH CARD TRANSDUCER 56 FOR DIGITAL COMPUTERS Fxled May 26, 1955 47 Sheets-Sheet 15 f? 50. so

IN V EN TOR5 Jaszm K HAWK/IVS A nae/vars March 22, 1960 J. K. HAWKINS ETAL 2,929,556 DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL COMPUTERS 47 Sheets-Sheet 16 Filed May 26, 1955 March 22, 1960 J. K. HAWKINS ETAL 2,929,556 DATA CONVERTER AND PUNCH cARD TRANSDUCER FOR DIGITAL COMPUTERS 47 Sheets-Sheet 17 Filed May 26, 1955 SEAN 3 Q3933 ion a IN VEN TORS Jain K. Mark/41s 20.9521 A. Jukswv March 22, 1960 J. K. HAWKINS ETAL DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL COMPUTERS 47 Sheets-Sheet 18 Filed May 26, 1955 March 22, 1960 Filed May 26, 1955 J. DATA CONVERTE FOR K. HAWKINS ETAL R AND PUNCH CARD TRANSDUCER DIGITAL COMPUTERS 47 Sheets-Sheet l9 I N V EN TORS fasten K. HA WK/A/ M lea y/lag A ITO/P 5 vs March 22, 1960 J HAWKINS r 2,929,556

DATA CONVERTER AND PUNCH CARD TRANSDUCER FOR DIGITAL COMPUTERS Filed May 26, 1955 47 Sheets-Sheet 20 

